Page 52 - Treatment in Istanbul (Turkey)

Dr. Eldaniz Mammadli is a Neurosurgery Specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He completed a neurosurgery residency at Marmara University (2019–2025). He earned his MD from Atatürk University (2013–2019).

He is a member of EANS and the Congress of Neurological Surgeons (CNS). He completed observerships with Prof. Hugues Duffau in Montpellier (2023) and Prof. Michael Lawton at the Barrow Neurological Institute (2024).

He attended WSSFN 2022 and EANS Vascular 2024. He trained at the Yasargil Microneurosurgery Academy in 2024 and 2025. He joined the MGB Neurosurgery Spine Symposium in 2025. He also attended the Turkish Neurosurgical Society Congresses (2020–2023) and skull base and spine cadaver courses in Istanbul (2022–2023).

Dr. Taylan Bükülmez is a radiation oncologist at Istinye University Liv Hospital Bahcesehir in Istanbul. He treats breast, prostate, lung, esophageal, and rectal cancers. He uses advanced radiation therapy methods for his patients.

Dr. Bükülmez received his medical degree from Pamukkale University. He completed his specialization at Akdeniz University. Since 2017, he has led the oncology team at Istinye University Liv Hospital. He is known for his focus on patient recovery and new cancer treatments. He has many years of experience at leading oncology centers in Turkey.

Specialization: Pedodontics (Pediatric Dentistry)

Areas of Interest

-Pediatric Dental Treatments

-Dental Treatments Under General Anesthesia

-Pediatric Zirconium Crowns

-Pediatric Stainless Steel Crowns

-Treatment of Traumatic Dental Injuries in Children

Education

2007 – DDS, Marmara University, Faculty of Dentistry

2015 – RWTH Aachen University, Germany

2020 – Ph.D., Department of Pedodontics, Marmara University, Faculty of Dentistry

Professional Experience

2021 to 2024 – Assistant Professor, Bahçeşehir University, Faculty of Dentistry

Professional Memberships

-Turkish Dental Association (TDB)

-Istanbul Chamber of Dentists (İDO)

-Turkish Society of Pedodontics (TPD)

-International Society for Laser Dentistry (ISLD)

Research & Publications

Kuru R, Yılmaz S, Balan G, Tuzuner BA, Taşlı PN, Akyüz S, Yener Öztürk F, Altuntaş Y, Yarat A, Şahin F.
Boron-rich diet may regulate blood lipid profile and prevent obesity: A non-drug and self-controlled clinical trial. J Trace Elem Med Biol, 2019.

Kuru R, Balan G, Yılmaz G, Yılmaz S, Taşlı PN, Akyüz S, Yarat A, Şahin F.
The level of two trace elements in carious, non-carious, primary, and permanent teeth. European Oral Research, 2020.

Balan G, Peeters HH, Akyüz S.
The assistance of Er, Cr: YSGG laser in pulp injury related to anterior teeth trauma. Dental Journal (Majalah Kedokteran Gigi), 2019.

Specialization: Restorative Dental Treatment

Areas of Interest

-Composite Laminate Applications

-Porcelain Laminate Veneers

-Aesthetic Anterior Region Fillings

-Diastema Closure

-Onlay, Inlay, and Overlay Restorations

Education

2004 to 2008 – Gaziantep Anatolian High School

2009 to 2015 – DDS, Yeditepe University Faculty of Dentistry

2017 to 2020 – Ph.D., Restorative Dental Treatment, Atatürk University Faculty of Dentistry

Professional Experience

Istinye University, Faculty of Dentistry, Department of Restorative Dental Treatment

Since July 1, 2022 – Istinye University Medical Park Gaziosmanpaşa Hospital

Courses & Certifications

Dental Photography Course, Erzurum, 2019

Basic Endnote Usage Seminar, Erzurum, 2019

“Anterior Composite Restorations from A to Z,” 22nd International Congress of Aesthetic Dentistry, Istanbul, 2018

Professional Memberships

-Turkish Dental Association (TDB)

-Association of Restorative Dentistry

Research & Publications

Cantürk K, Karalar B, Sağsöz Ö, Seven N, Sağsöz NP, Bayındır YZ.
Effect of different universal bonding agents on the bond strength of CAD/CAM ceramics with composite resin. Atatürk University Dental Journal, 2019.

Cantürk K, Yılmaz MN, Cantürk F, İlday N, Seven N.
Comparison of radiopacity of five different flowable composite resins. Atatürk University Dental Journal, 2020.

Specialization: Oral and Maxillofacial Radiology

Areas of Interest

-Embedded (Impacted) Tooth Surgery

-Dental Implant Surgery

-Maxillary Sinus Lifting Operations

-Jawbone Corrections

-Soft Tissue Corrections

Education

2007 to 2012 – DDS, Marmara University (English) Faculty of Dentistry

2012 to 2017 – Specialization in Oral and Maxillofacial Surgery, Istanbul Medipol University Faculty of Dentistry

Professional Experience

Doctor Faculty Member, Department of Oral and Maxillofacial Surgery, Istanbul Medipol University / Esenler Health and Research Hospital

2021 – Private Skydent Oral and Dental Health Polyclinic

2021 – Private Etemoğlu Oral and Dental Health Polyclinic

Courses & Certifications

5th Brussels Orthognathic Atomium Course, 2015

AO-CMF Course – Management of Facial Trauma, Tehran, 2016

AO-CMF Course – Advances in Orthognathic Surgery, Tehran, 2016

Professional Memberships

-International Association of Oral and Maxillofacial Surgery (IAOMS)

-European Association for Cranio-Maxillo-Facial Surgery (EACMFS)

-Turkish Society of Oral and Maxillofacial Surgery (TAOMS)

-AÇBİD (Oral and Maxillofacial Surgery Association)

-International Team for Implantology (ITI)

-AO Foundation (AO-CMF)

Specialization: Endodontics

Areas of Interest

-General Dentistry and Oral Diagnosis

-Non-surgical Periodontal Treatments (Dental Scaling)

-Esthetic Direct and Indirect Restorative Treatments

-Endodontic Treatments (Root Canal Therapy)

-Interdepartmental Consultation and Patient Referral

Education

2019 – DDS, Marmara University, Faculty of Dentistry

2019 to 2020 – Istanbul Medipol University, Faculty of Dentistry

Professional Experience

2022 to 2023 – Sina Oral and Dental Health Center

2023 to 2024 – Avrupa Dental Acıbadem Oral and Dental Health Clinic

Professional Memberships

-Turkish Dental Association (TDB)

-Turkish Endodontic Society (Türk Endodonti Derneği)

Courses & Certifications

-FDI World Dental Congress, 2024

-15th International Congress of the Turkish Endodontic Society, 2023

-9th International Endodontic Symposium, 2022

Specialization: Periodontology

Areas of Interest

-Gum Diseases

-Treatment of Peri-Implant Diseases

-Bone Loss Therapies

-Gum Aesthetics

-Halitosis (Mouth Odor)

Education

2018 – DDS, Başkent University Faculty of Dentistry

2021 – Undergraduate in Health Management, Anadolu University

2022 – Ph.D. in Periodontology, Gazi University

Professional Experience

2018 to 2022 – Research Assistant, Gazi University, Department of Periodontology

2021–Present – Head, Istinye University Oral and Dental Health Program

2021–Present – Trainer, Praticmed Dentistry (Suture & Flap Closure Training)

Courses & Certifications

-Suture & Flap Closure Training in Dentistry (Trainer), 2021

-TDB International Dentistry Congress, 2022

-ERDİŞ International Dentistry Congress (Oral Presentation), 2023

-Emergency Skills in Oral and Maxillofacial Surgery, London, UK, 2016

-AOCMF Course, Craniomaxillofacial Fracture Management, İzmir, 2016

-Bego Implant Advanced Surgery Course, Germany, 2014

Professional Memberships

-Turkish Dental Association (TDB)

-Turkish Periodontology Association

-KÖKDİŞ National Council

Research & Publications

A New Dimension in Periodontal Regenerative Therapy: 3D Cell Culture. ADO Klinik Bilimler, 2023.

Doctoral Thesis: Evaluation of the osteogenic potential of periodontium-derived mesenchymal stem cells in 2D and 3D culture environments.

Dr. Fatih Gumus is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He previously served at Memorial Ankara (2023–2025) and Bartın State Hospital (2018–2022). He completed his Cardiovascular Surgery residency at Ankara University (2013–2018). He was a Clinical Fellow at Johns Hopkins University in 2010. He observed Vascular Surgery at the Cleveland Clinic in 2014. He earned his MD from Hacettepe University (English program, 2005–2012).

He has authored five peer-reviewed papers on minimally invasive valve surgery, right heart and LVAD assessment, and DVT therapy. He is a member of EACTS, ISMICS, MIRC, the Turkish Society of Cardiovascular Surgery, and the Turkish Society of Vascular Surgery. He served as faculty at the 19th ICCVS. He gave oral talks at EACTS 2017, ISMICS 2018, and UIP 19th.

Dr. Mahir Cengiz is a Professor of Internal Medicine and an Internal Medicine Specialist. He works at Memorial Göztepe Hospital (2025–present). He previously served at Istanbul Aydın University–Medical Park Florya (2022–2025). He held roles at Biruni University Hospital as Lecturer and Chief Physician (2018–2022). Earlier, he was a Lecturer at Istanbul University–Cerrahpaşa Faculty of Medicine (2013–2018) and Chief Physician at Şarkışla State Hospital (2012–2013).

His track record includes 12 years as a lecturer and 5 years as a chief physician. He earned his MD from Istanbul University, Istanbul Faculty of Medicine (2000–2006). He completed an Internal Medicine residency at Istanbul University–Cerrahpaşa (2006–2011). He served as Chief Resident in Internal Medicine (2013–2017). He became an Associate Professor in 2017 and a Professor in 2022.

Education and Expertise 

2012 – Atatürk University Faculty of Medicine – Medical education 

2017 -- University of Health Sciences Istanbul Prof. Dr. N. Reşat Belger Beyoğlu Eye Training and Research Hospital – Specialization 

Courses and Certificates 

TOD 52nd National Congress Cataract and Refr. Surgery BİLEP course 

TODEM Glaucoma Surgery Skill Transfer Program-3 course 

Professional Memberships 

Turkish Medical Association 

Turkish Ophthalmology Association

Articles published in international peer-reviewed journals: 

A1. Changes in Higher-Order Aberrations After Phototherapeutic Keratectomy for Subepithelial Corneal Infiltrates After Epidemic Keratoconjunctivitis (Kepez Yildiz B, Urvasizoglu S, Yildirim Y, Agca A, K Besek N, Fazil K, Eris E, Aygit ED,Taskapili M,Demirok A.) cornea 2017 Oct;36(10):1233-1236. doi: 10.1097/ICO.000000000000129 

A2. Comparison of three methods of tonometry in normal subjects: Goldmann applanation tonometer, non-contact airpuff tonometer, and Tono-Pen XL(Yilmaz I, Altan C, Aygit ED, Alagoz C, Baz O, Ahmet S, Urvasizoglu S, Yasa D, Demirok A Clin Ophthalmol 2014 Jun 7;8:1069-74.doi:10.2147/OPTH.S6391. 

Papers presented at international scientific meetings and published in the proceedings book 

B1. Berna Basarir1, Banu Satana*1, Cigdem Altan1, Semih Urvasizoglu1, Funda Ebru Onmez1, Isil Pasaoglu1, Gamze Ozturk-Karabulut1, Ferah Ozcelik1 " EFFICACY OF TRABECULECTOMY WITH MITOMYCIN-C IN THE MANAGEA GLASS UVEITIS ” Poster notification ( P-FS-349 ), Helsinki, Finland, JuneJuly

Papers presented at national scientific meetings and published in proceedings books:

 C1.S.Urvasızoğlu,Z.Alkın,A.Özkaya,C.Alagöz,Ç.Altan,K.Yüksel,AT.Yazıcı,A.Demirok, “47. "Effectiveness of topical nevanac use in the treatment of acute central serous chorioretinopathy" in the booklet of the "National Turkish Ophthalmology Congress" Poster report (PS-0796), Antalya, Turkey, November, 2013 

C2.S.Urvasızoğlu,Y.Özpınar,İ.Tanır,Y.Yıldırım,A.Ağca,T.Saıcı,Y.Ş.Göker,A.Demirok in the proceedings booklet of the 48th National Turkish Ophthalmology Congress “Femtosecond laser with intracorneal ring placement results” Poster notification (PS-0165), Antalya, Turkey, November, 2014 

C3. S.Urvasızoğlu,Y.Özpınar,İ.Tanır,E.Bozkurt “Effect of Nd-YAG laser posterior capsulotomy on anterior chamber depth” in the proceedings booklet of the 48th National Turkish Ophthalmology Congress Poster report (PS-0456), Antalya, Turkey, November, 2014 

C4. İ.Tanır,Y.Özpınar,U.Ürdem,M.Altun, S.Urvasızoğlu, A.Demirok "Comparison of anterior chamber depth measurement of SIRIUS and ORBSCAN devices" in the proceedings booklet of the 48th National Turkish Ophthalmology Congress Poster report (PS-0185), Antalya, Turkey, November, 2014 

C5. M.Özveren,K.Yüksel,Kİ.Çankaya, A.Özkaya ,M.Toğaç, MC.Öcal, U.Çiçek, S.Urvasızoğlu, G.Demir,S.Ahmet,AT.Yazıcı,A.Demirok 48th National “Success and complications of pneumatic retinopexy application in the treatment of rhegmatogenous retinal detachment” in the Turkish Ophthalmology Congress proceedings booklet, Poster report (PS-1233), Antalya, Turkey, November, 2014 

C6. Semih Urvasızoğlu, Burçin Kepez Yıldız, Yusuf Yıldırım, Alper Ağca, Ahmet Demirok, Muhittin Taşkapılı Effect of Treatment of Corneal Subepithelial Infiltrals with Sequelae of Adenoviral Keratoconjunctivitis with Phototherapeutic Keratectomy on Corneal High Row Aberrations Poster presentation [PS-0592] 2016 November-TOD 50th National Congress 

C7. Yusuf Yıldırım, Semih Urvasızoğlu, Burçin Kepez Yıldız, Alper Ağca, Ahmet Demirok, Muhittin Taşkapılı Visual and refractive results of the treatment of granular corneal dystrophies with phototherapeutic keratectomy Poster presentation [PS-0286] 2016 November-TOD 50th National Congress 

C8. Semih Urvasızoğlu, Zeynep Alkın, Ali Demircan, Dilek Yaşa, Cengiz Alagöz, Ayşe Çiğdem Altan, Ahmet Demirok “The Effect of Prognostic Factors in Chronic Central Serous Chorioretinopathy on Visual and Morphological Results After Half Fluens Photodynamic Therapy” in the 51st National Turkish Ophthalmology Congress proceedings booklet. Poster notification ( PS-0800), Antalya, Turkey, October, 2017 

C9. Semih Urvasızoğlu, Gökhan Demir, Gizem Kutlutürk, Cengiz Alagöz, Dilek Yaşa, Sarıye Taşkoparan, Gürkan Erdoğan, Ahmet Demirok “Our 23 Gauge Pars Plana Vitrectomy Results Performed for Secondary Retinal Detachment” in the proceedings booklet of the 51st National Turkish Ophthalmology Congress Poster notification (PS- 1064), Antalya, Turkey, October , 2017 

Domestic 

C10. Zeynep Alkın, Semih Urvasızoğlu, Dilek Yaşa, Cengiz Alagöz, Çiğdem Altan, Ahmet Demirok Oral presentation of “The Effect of Prognostic Factors in Chronic Central Serous Chorioretinopathy on Relapse After Half-Fluens Photodynamic Therapy” in the proceedings booklet of the 51st National Turkish Ophthalmology Congress (SS-TR-57), Antalya, Turkey, October , 2017

Dr. Deniz Goren is a specialist in internal medicine and hematology at Memorial Göztepe Hospital (Istanbul). Dr. Goren previously worked at Memorial Şişli, Istanbul Florence Nightingale, and Eskişehir Yunus Emre State hospitals.

Dr. Goren served as an associate professor at Demiroglu Bilim University from 2020 to 2024 and earlier as an assistant professor from 2017 to 2020. Dr. Goren completed a hematology subspecialty at Eskişehir Osmangazi University. Dr. Goren completed an internal medicine residency and earned an MD at Ankara University. Dr. Goren later completed a postdoctoral fellowship at Harvard Medical School and the Joslin Diabetes Center.

Awards include TÜBİTAK 2219, the Turkish Hematology Association Young Participant and Fuat Aydınlı Young Researcher awards, and the SOHO Young Investigator Grant. Dr. Goren has published 32 international and 14 national peer‑reviewed articles and delivered 88 presentations. Dr. Goren completed the EBMT International Transplant Course, the Lymphoma Master Class, and the Advanced Life Support Course.

Dr. Tolga Sinan Guvenc is a cardiologist at Memorial Göztepe Hospital (2025–). He previously worked at VM Medical Park Pendik (2019–2025) and at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital (2014–2018).

He has authored over 200 scientific articles and book chapters. He serves on the Editorial Board of Scientific Reports.

He is a Fellow of the ESC Heart Failure Association. He is also a member of the Turkish Society of Cardiology, the European Society of Cardiology, and Sigma Xi.

Advanced training includes a clinical fellowship in the Advanced Heart Failure Unit at the University of Alberta. He also served as a visiting scientist at the Echocardiography Station at the University of Alabama at Birmingham. Education: MD, Istanbul University Cerrahpaşa (English). Cardiology residency, Dr. Siyami Ersek.

Dentist, Parodontologist

20 years of experience

• Graduated Faculty of Dentistry, Hassettepe University.
• UCLA Endodontic Microsurger Certified.
• Has a certificate from the University of Los Angeles, Department of Dentistry "Dental Implantation in the Periodontics Section".
• Also has a certificate of antibiotics Usage in dentistry.

Dr. Aygul Aliyeva Onen is a specialist in obstetrics and gynecology at Memorial Göztepe Hospital (2025–present). She previously worked at Medical Park Göztepe (2023–2025) and at Celal Bayar University Hafsa Sultan Hospital (2018–2023). She completed her obstetrics and gynecology residency at Celal Bayar University Faculty of Medicine (2018–2023). She graduated from Azerbaijan Medical University (2010–2016) and completed an observership at Ege University (2017).

Professional memberships include the Istanbul Medical Chamber, the Turkish Society of Gynecology and Obstetrics, and the Pelvic Floor and Cosmetic Gynecology Association. Additional training includes Current Approaches in Cosmetic Gynecology (TJOD Izmir); CCI HADYEK Laparoscopic Gynecologic Surgery; Sexual Health Federation—Vaginismus and Dyspareunia; the 1st–3rd International Pelvic Floor and Cosmetic Gynecology Congresses; and the TJOD Obstetric Simulation Course.

Dr. Özer Kavalcıoğlu is an experienced ophthalmologist. He graduated from Hacettepe University Medical School. He is a member of several respected organizations, including the American Academy of Ophthalmology (AAO), American Society of Cataract and Refractive Surgery (ASCRS), and European Society of Cataract and Refractive Surgeons (ESCRS).

Dr. Kavalcıoğlu has attended many international conferences, such as the Congress of the European Society of Ophthalmology, World Glaucoma Congress, and Congress on Controversies in Ophthalmology. He is dedicated to ongoing professional development and high standards in patient care.

Dr. Akin Akyurt is an experienced ophthalmologist. He graduated from Istanbul University School of Medicine. He completed advanced fellowships at University Eye Clinics in Cologne and Tuebingen, Germany. He also holds a PhD focused on immunomodulatory therapy for uveitis.

Dr. Akyurt is certified in LASIK, presbyopia correction with multifocal intraocular lenses, scleral fixation, corneal collagen cross-linking, femtosecond anterior segment surgery, and corneal topography analysis. He is a member of the DOG, AAO, ASCRS, and ESCRS.

He has presented at major international congresses, such as the World Ophthalmology Congress and ESCRS meetings. He has contributed to advances in cataract and refractive surgery.

Dr. Basak Sargin is an obstetrics and gynecology (OB/GYN) specialist at Memorial Göztepe Hospital. She has worked at Medipol Mega University Hospital (IVF and Reproductive Health Center), Medipol Acıbadem Region, Memorial Ataşehir Hospital, and Kars Harakani State Hospital.

Accreditations: FMAS and DMAS, World Laparoscopy Hospital (2023). ART training, American Hospital (07/2024–01/2025). Fellowships: Minimally Invasive and Advanced Gynecologic Surgery, Pius University, Oldenburg (07/2025); World Laparoscopy Hospital (05/2023). Additional training in robotic surgery, hysteroscopy, vNOTES, embryo transfer simulation, and laser/magnetic stimulation.

Education: MD, Hacettepe University. OB/GYN residency, Ankara (2016–2021). PhD candidate in Biomedical Engineering, Koç University (since 2023). Memberships: SRGS, International Society of Gynecology and Obstetrics, ESGE, WALS, and Istanbul Medical Chamber.

Dr. Isik Okuyan is an obstetrics and gynecology specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously worked at Şanlıurfa Training and Research Hospital (2023–2025). He completed his OB/GYN residency at SB University Istanbul Training and Research Hospital (2019–2023). He earned his MD from Mersin University (2011–2017).

His credentials include GESEA Level 1 in Gynecological Endoscopy (Marseille, 2024). He presented a video and a poster at the 33rd ESGE Congress (2024). He is a member of the Turkish Medical Association, the Turkish Society of Gynecology and Obstetrics, and ESGE. He took part in meetings from 2022 to 2025, including ISON and national gynecology congresses.